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There is an instrument called an infrared thermometer. It measures the long-wave radiation emitted from a target object and computes it's temperature. However
by saeranv 7y ago
There is an instrument called an infrared thermometer. It measures the long-wave radiation emitted from a target object and computes it's temperature.
However that will only give you the measure of a single spot, which could be inaccurate due to thermal reflections, or noise, so ideally you'd want an infrared camera, which will provide a thermal image your target. They're a bit pricey though.
On the other hand, why not just use a regular thermometer?
- richardw 7y agoIt’s possible to remove the infrared filter from a normal camera and replace with one that only lets in IR. lots of articles online but no idea how hard it is. Edit: for example https://www.extremetech.com/electronics/144388-how-to-turn-your-dslr-into-a-full-spectrum-super-camera https://www.extremetech.com/electronics/144388-how-to-turn-y...
- trevyn 7y agoThat will only get you the near-IR range, not the long-wave IR used for thermal imaging.